SC2110_Wk3_White,Crystal.docx - SC2110 Week 3 Assignment...

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SC2110: Week 3 Assignment Worksheet Part 1: Cardiovascular System (Chapter 11) After reading pages 398-432 in your textbook, answer the following questions. As you answer these questions, think about how each part functions with the others so you will be able to describe and explain those functions in your future medical career. 20 points A. Correctly identify the anatomy of the heart. 6.5 points 1. Superior vena cava 8. Pulmonary veins 2. Inferior vena cava 9. Left atrium 3. Right Atrium 10. Mitral valve 4. Tricuspid valve 11. Left ventricle 5. Right ventricle 12. Aortic valve 6. Pulmonary valve 13. Aorta 7. Pulmonary artery B. List the pathway of blood as it travels through the heart starting where blood enters the heart and ending where blood travels to all parts of the body. 5.5 points Answer: Blood enters the heart through the superior an inferior vena cava. Goes into right atrium tricuspid valve into pulmonary artery ,lung capillaries, pulmonary vein, left atrium, mitral valve, left ventricle to aorta. C. What is the difference between pulmonary circulation and systemic circulation? 1 point Answer: Pulmonary circulation carries deoxygenated blood away from the heart to the lungs, and returns oxygenated blood back to the heart. Systemic circulation carries oxygenated blood away from the heart to the body and returns deoxygenated blood back to the heart.
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SC2110: Week 3 Assignment Worksheet D. Name and describe the two phases of the heartbeat. 1 point Answer: Diastole is the resting phase. The blood from the atria fills the ventricles. Then the ventricles pump blood to your body or lungs. Systole the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries.
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